/**
 * Copyright 2014,Peak Tai 台俊峰(taijunfeng_it@sina.com).
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * 		http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.cenluan.blog.comment;

import com.cenluan.blog.Blog;
import com.cenluan.user.User;
import com.jfinal.plugin.activerecord.Model;
import com.jfinal.plugin.activerecord.Page;

/**
 * 博客的评论
 * 
 * @author peak
 * 
 */
public class BlogComment extends Model<BlogComment> {

	private static final long serialVersionUID = 1L;

	public static final BlogComment dao = new BlogComment();

	/**
	 * 获取创建者
	 * 
	 * @return
	 */
	public User getCreater() {
		return User.dao.findById(getStr("createrId"));
	}

	/**
	 * 创建关联的博客
	 * 
	 * @return
	 */
	public Blog getBlog() {
		return Blog.dao.findById(getStr("blogId"));
	}

	/**
	 * 分页查询评论
	 * 
	 * @param pn
	 * @param blogId
	 * @return
	 */
	public Page<BlogComment> page(int pn, String blogId) {
		StringBuilder sql = new StringBuilder();
		sql.append(" from t_blog_comment ");
		sql.append(" where blogId=? ");
		sql.append(" order by createTime asc ");
		return paginate(pn, 20, "select *", sql.toString(), blogId);
	}

}
